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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 1.2L (LIH)) >> Repair Instructions >> Positive Crankcase Ventilation Vacuum Hose Removal

Positive Crankcase Ventilation Vacuum Hose Removal

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  1. GM5425118Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    DO NOT remove the positive crankcase ventilation vacuum hose unless replacement of the hose is necessary.

    • The positive crankcase ventilation vacuum hose clamps are tamper-proof connections.
    • The turbocharger must be removed in order to install the positive crankcase ventilation vacuum hose at the turbocharger.
    • The camshaft cover, turbocharger, and vacuum hose can be removed together as an assembly and set aside so long as the tamper-proof connection remains intact.
    • The camshaft cover or turbocharger can be removed and set aside so long as the vacuum hose connection remains intact and undamaged.

    Positive Crankcase Ventilation Vacuum Hose Clamp (1) - Remove and DISCARD [2x] - Use a suitable tool to cut each hose clamp.

  2. Positive Crankcase Ventilation Vacuum Hose (2) - Remove and DISCARD